[INFO] updating cached repository tkyk0317/rcc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tkyk0317/rcc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tkyk0317/rcc" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/tkyk0317/rcc"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/tkyk0317/rcc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tkyk0317/rcc" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/tkyk0317/rcc"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/tkyk0317/rcc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 114de612abd069ec64c21a9f7e5c66f2576d0ca7
[INFO] sha for GitHub repo tkyk0317/rcc: 114de612abd069ec64c21a9f7e5c66f2576d0ca7
[INFO] validating manifest of tkyk0317/rcc on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tkyk0317/rcc on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tkyk0317/rcc
[INFO] finished frobbing tkyk0317/rcc
[INFO] frobbed toml for tkyk0317/rcc written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/tkyk0317/rcc/Cargo.toml
[INFO] started frobbing tkyk0317/rcc
[INFO] finished frobbing tkyk0317/rcc
[INFO] frobbed toml for tkyk0317/rcc written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/tkyk0317/rcc/Cargo.toml
[INFO] crate tkyk0317/rcc has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tkyk0317/rcc against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-5/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/tkyk0317/rcc:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 364f518990fe50c0ddce4cb956af8bf2fc97b1b1b7bd5e93cf60c5c6902d1f36
[INFO] running `"docker" "start" "-a" "364f518990fe50c0ddce4cb956af8bf2fc97b1b1b7bd5e93cf60c5c6902d1f36"`
[INFO] [stderr]     Checking rcc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `func_table`
[INFO] [stderr]   --> src/asm.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     func_table: &'a SymbolTable,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `StringData`
[INFO] [stderr]  --> src/string.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct StringData {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/string.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new() -> StringData {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push`
[INFO] [stderr]   --> src/string.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn push(&mut self, c: char) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `func_table`
[INFO] [stderr]   --> src/asm.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     func_table: &'a SymbolTable,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `"docker" "inspect" "364f518990fe50c0ddce4cb956af8bf2fc97b1b1b7bd5e93cf60c5c6902d1f36"`
[INFO] running `"docker" "rm" "-f" "364f518990fe50c0ddce4cb956af8bf2fc97b1b1b7bd5e93cf60c5c6902d1f36"`
[INFO] [stdout] 364f518990fe50c0ddce4cb956af8bf2fc97b1b1b7bd5e93cf60c5c6902d1f36